9 lines
6.6 KiB
JavaScript
9 lines
6.6 KiB
JavaScript
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/*
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Leaflet.label, a plugin that adds labels to markers and vectors for Leaflet powered maps.
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(c) 2012-2013, Jacob Toye, Smartrak
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https://github.com/Leaflet/Leaflet.label
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http://leafletjs.com
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https://github.com/jacobtoye
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*/
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(function(){L.labelVersion="0.1.4-dev",L.Label=L.Popup.extend({includes:L.Mixin.Events,options:{autoPan:!1,className:"",clickable:!1,closePopupOnClick:!1,noHide:!1,offset:new L.Point(12,-15),opacity:1},onAdd:function(t){this._map=t,this._pane=this._source instanceof L.Marker?t._panes.markerPane:t._panes.popupPane,this._container||this._initLayout(),this._updateContent();var e=t.options.fadeAnimation;e&&L.DomUtil.setOpacity(this._container,0),this._pane.appendChild(this._container),t.on("viewreset",this._updatePosition,this),this._animated&&t.on("zoomanim",this._zoomAnimation,this),L.Browser.touch&&!this.options.noHide&&L.DomEvent.on(this._container,"click",this.close,this),this._initInteraction(),this._update(),this.setOpacity(this.options.opacity)},onRemove:function(t){this._pane.removeChild(this._container),L.Util.falseFn(this._container.offsetWidth),t.off({viewreset:this._updatePosition,zoomanim:this._zoomAnimation},this),t.options.fadeAnimation&&L.DomUtil.setOpacity(this._container,0),this._removeInteraction(),this._map=null},close:function(){var t=this._map;t&&(L.Browser.touch&&!this.options.noHide&&L.DomEvent.off(this._container,"click",this.close),t._label=null,t.removeLayer(this))},updateZIndex:function(t){this._zIndex=t,this._container&&this._zIndex&&(this._container.style.zIndex=t)},setOpacity:function(t){this.options.opacity=t,this._container&&L.DomUtil.setOpacity(this._container,t)},_initLayout:function(){this._container=L.DomUtil.create("div","leaflet-label "+this.options.className+" leaflet-zoom-animated"),this.updateZIndex(this._zIndex)},_updateContent:function(){this._content&&"string"==typeof this._content&&(this._container.innerHTML=this._content)},_updateLayout:function(){},_updatePosition:function(){var t=this._map.latLngToLayerPoint(this._latlng);this._setPosition(t)},_setPosition:function(t){t=t.add(this.options.offset),L.DomUtil.setPosition(this._container,t)},_zoomAnimation:function(t){var e=this._map._latLngToNewLayerPoint(this._latlng,t.zoom,t.center);this._setPosition(e)},_initInteraction:function(){if(this.options.clickable){var t=this._container,e=["dblclick","mousedown","mouseover","mouseout","contextmenu"];L.DomUtil.addClass(t,"leaflet-clickable"),L.DomEvent.on(t,"click",this._onMouseClick,this);for(var i=0;e.length>i;i++)L.DomEvent.on(t,e[i],this._fireMouseEvent,this)}},_removeInteraction:function(){if(this.options.clickable){var t=this._container,e=["dblclick","mousedown","mouseover","mouseout","contextmenu"];L.DomUtil.removeClass(t,"leaflet-clickable"),L.DomEvent.off(t,"click",this._onMouseClick,this);for(var i=0;e.length>i;i++)L.DomEvent.off(t,e[i],this._fireMouseEvent,this)}},_onMouseClick:function(t){this.hasEventListeners(t.type)&&L.DomEvent.stopPropagation(t),this.fire(t.type,{originalEvent:t})},_fireMouseEvent:function(t){this.fire(t.type,{originalEvent:t}),"contextmenu"===t.type&&this.hasEventListeners(t.type)&&L.DomEvent.preventDefault(t),"mousedown"!==t.type?L.DomEvent.stopPropagation(t):L.DomEvent.preventDefault(t)}}),L.Icon.Default.mergeOptions({labelAnchor:new L.Point(9,-20)}),L.Marker.mergeOptions({icon:new L.Icon.Default}),L.Marker.include({showLabel:function(){return this._label&&this._map&&(this._label.setLatLng(this._latlng),this._map.showLabel(this._label)),this},hideLabel:function(){return this._label&&this._label.close(),this},setLabelNoHide:function(t){this._labelNoHide!==t&&(this._labelNoHide=t,t?(this._removeLabelRevealHandlers(),this.showLabel()):(this._addLabelRevealHandlers(),this.hideLabel()))},bindLabel:function(t,e){var i=L.point(this.options.icon.options.labelAnchor)||new L.Point(0,0);return i=i.add(L.Label.prototype.options.offset),e&&e.offset&&(i=i.add(e.offset)),e=L.Util.extend({offset:i},e),this._labelNoHide=e.noHide,this._label||(this._labelNoHide||this._addLabelRevealHandlers(),this.on("remove",this.hideLabel,this).on("move",this._moveLabel,this),this._hasLabelHandlers=!0),this._label=new L.Label(e,this).setContent(t),this},unbindLabel:function(){return this._label&&(this.hideLabel(),this._label=null,this._hasLabelHandlers&&(this._labelNoHide||this._r
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